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Finding the Fourth Proportional to 88,900.82, 122,683.08 and 48,614.58

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Solution

The fourth proportional to 88,900.82, 122,683.08 and 48,614.58 is: 67,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,900.82 : 122,683.08 = 48,614.58 : x
  2. Step 2: Convert to fraction form
    88,900.82/122,683.08 = 48,614.58/x
  3. Step 3: Cross multiply
    88,900.82x = 122,683.08 × 48,614.58
  4. Step 4: Simplify right side
    88,900.82x = 5,964,186,787.07
  5. Step 5: Solve for x
    x = 5,964,186,787.07/88,900.82
  6. Step 6: Final answer
    x = 67,088.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.